emmetropia

American

[em-i-troh-pee-uh] / ˌɛm ɪˈtroʊ pi ə /

noun

Ophthalmology.

the normal refractive condition of the eye, in which the rays of light are accurately focused on the retina.

emmetropia British

/ ˌɛmɪˈtrəʊpɪə /

noun

the normal condition of perfect vision, in which parallel light rays are focused on the retina without the need for accommodation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of emmetropia

1860–65; < New Latin, equivalent to emmetr- (stem of Greek émmetros in measure, equivalent to em- em- ² + métr ( on ) measure + -os adj. suffix) + -opia -opia

Vocabulary lists containing emmetropia

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

emmetropia

On May 1, 1879, emmetropia was observed in right eye, V. 5/12 to 5/9.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

I have occasionally seen periodic accommodative squint with emmetropia of the fixing eye.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

Determination of refraction of the better eye is given in 6 cases, and showed twice emmetropia, twice slight myopia, twice hypermetropia.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

Those cases deserve special consideration in which emmetropia is present in one eye, in the other myopia.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

Full visual acuity on both sides—in the first examination slight myopia - ·75 D. is specified, afterwards emmetropia.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023